La escuela primaria y la conservación de los recursos naturales Pan American Union Division of Agriculture and Conservation. creator Pan American Union Division of Education. text bibliography dcu Washington División de Educación, Departamento de Asuntos Culturales, Unión Panamericana 1954 [i.e. 1955] 1955 monographic spa eng
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86 p. 17cm. Translation and revision, by the Division of Education, of The role of conservation in the education program of Latin America. Bibliography: p. 77-81. cl----- Natural resources Latin America HC163.5 .P314 Biblioteca panamericana del maestro, 4 pa 55000258 Pan American Union. Library 751015 20260227111853.0 pa 55000258